Question 9425
y = x^2 + 4x 
y = x(x+4) = 0
X-intercepts at x=0 and x= -4


*[invoke quadratic "x", 1, 4, 0]


y = x^2 + 2x - 24 
Y = (x+ 6)(x -4)
X-intercepts at x= -6 and x= 4


*[invoke quadratic "x", 1, 2, -24]


R^2 at SCC with help from "i from Chicago"